Document Type : Research Paper

Authors

Civil Engineering Dept., University of Technology-Iraq, Alsina’a street, 10066 Baghdad, Iraq.

Abstract

In the present work , various remote sensing techniques have been used to investigate soil degradation in Iraq (The Mesopotamian plain) for the period (1976 - 2021) using different research and data like satellite image such as (Landsat 1-5 MSS 1976 , Landsat 4-5 TM C1 Level-1 1996, Landsat 8 2016 and sentinel-2 2021 ) , using different Program and software (ENVI 5.3 which extract data from image satellite by using TCT , EMI and NDVI indicators , Eras image 2015 use to subset area of interest ,layer stack and merge resolution , Arc GIS 10.7 use to make database and maps production ),the article use some of filters and indicators , Normalized Difference Vegetation Index (NDVI), Elian Mapping Index (EMI), Tasseled Cap Transformation (TCT) to extract a set of indicators (area of vegetation cover (NDVI), soil erosion index (EMI) , classification of wet and dry soils, and water cover calculation (TCT), the article will be   calculate the areas accurately to know the type and causes of degradation by comparing those lands with past years by observing them with satellites for different years (advanced remote sensing techniques).

Graphical Abstract

Highlights

  • Climate changes and the nature of the land made it vulnerable to desertification and land degradation.
  • Agricultural lands deterioration is due to the increase of sand dunes area.
  • Most of the expansion in sand dunes was from the western and northwestern directions to the east.

Keywords

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